VRML is a（1）for 3D multimedia and shared virtual worlds on the WWW. In comparison to HTML, VRML adds the next level of interaction, structured graphics, and extra（2）（z and time） to the presentation of documents. The applications of VRML are（3）,ranging from simple business graphics to entertaining WWW page graphics, manufacturing, scientific, entertainment, and educational applications, and 3D shared virtual worlds and communities. X3D is the name under which the development of VRML is continued. X3D is based on XML and is backwards（4）with VRML. Furthermore, it is componentized, profiled, and extensible, which makes it possible to use X3D in very different（5），from high-end visualizations to lightweight applications.空白（1）处应选择（） A.link。 format。 structure。 procedure。
压力对工作的影响是：（） （1）不想工作 （2）工作表现不稳定 （3）注意力不集中 （4）不正常个人表现 以上都是。 以上都不是。
航次计划的组成：（） （1）准备 （2）评估 （3）计划 （4）执行 （5）组织 （6）监督 以上都是；。 以上均不是。。
（）is the process of obtaining the stakeholders’ formal acceptance of the completed project scope.Verifying the scope includes reviewing deliverables and work results to ensure that all were completed satisfactorily. Project acceptance。 Scope verification。 Scope definition。 WBS Creation。
船舶内部通信的主要手段是：（） （1）口头 （2）电话 （3）对讲机 （4）告示 1，2，3，4。 1，2，3。 1，2，4。 1，3，4。
The（1） is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several（2）.
空白（2）处应选择（）
